2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/80125A new method for solving the Yang-Baxter equation is presented. It is based on the Taylor expansion of R-matrix which is developed up to the power lambda^6. Using this method the R-matrix for integrable spin ladder is calculated.4 pagesExactly Solvable and Integrable Systemstext